| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system which enables stable operation even at a temperature below 0°C by preventing freezing of water tank without lowering power generation efficiency. <P>SOLUTION: A fuel cell system of an aspect of the present invention includes: a fuel cell stack; an oxidant supply unit connected to the fuel cell stack; a reformer including a reforming unit and a combustion unit, which is connected to the fuel cell stack through a reforming gas pipe; a fuel tank connected to the reformer; a water tank including an inlet and an outlet, and of which the outlet is connected to the reformer; and at least one gas pipe connected from the reformer and disposed so as to contact with or penetrate the water tank. <P>COPYRIGHT: (C)2012,JPO&INPIT |
